EP2769928A1 - Sac à plusieurs compartiments - Google Patents

Sac à plusieurs compartiments Download PDF

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Publication number
EP2769928A1
EP2769928A1 EP14000602.4A EP14000602A EP2769928A1 EP 2769928 A1 EP2769928 A1 EP 2769928A1 EP 14000602 A EP14000602 A EP 14000602A EP 2769928 A1 EP2769928 A1 EP 2769928A1
Authority
EP
European Patent Office
Prior art keywords
bag
inner bag
seam
weakening line
film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP14000602.4A
Other languages
German (de)
English (en)
Inventor
Jochen Natzan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bischof and Klein SE and Co KG
Original Assignee
Bischof and Klein SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bischof and Klein SE and Co KG filed Critical Bischof and Klein SE and Co KG
Publication of EP2769928A1 publication Critical patent/EP2769928A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/123—Feeding flat bags connected to form a series or chain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/642—Uniting opposed surfaces or edges; Taping by applying heat or pressure using sealing jaws or sealing dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/644—Making seals parallel to the direction of movement, i.e. longitudinal sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/645—Making seals transversally to the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/38—Articles or materials enclosed in two or more wrappers disposed one inside the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827—Tear-lines provided in a wall portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/002—Flexible containers made from webs by joining superimposed webs, e.g. with separate bottom webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2170/00—Construction of flexible containers
    • B31B2170/20—Construction of flexible containers having multi-layered walls, e.g. laminated or lined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/16—Packaging contents into primary and secondary packaging
    • B65B2220/20—Packaging contents into primary and secondary packaging the primary packaging being bags, the secondary packaging being further bags, the primary bags being either finished or formed concurrently with the secondary bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B65B51/303—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes reciprocating along only one axis

Definitions

  • the present invention relates to a multiple bag with an outer bag and at least one inner bag.
  • it is intended for use in clean room areas bag, which can also be referred to as clean room multi-bag.
  • the multiple bag which has an outer bag and at least one inner bag, has a bottom-side connection between outer bag and inner bag: This connection is formed by a common sealing seam running transversely to a longitudinal direction. Furthermore, the inner bag on the bottom side has a weakening line, through which the inner bag is formed detachable from the outer bag. Finally, inner and outer bags are formed in a closed position of the multiple bag in such a way that they can each have a top seam on the head side, wherein the preferably formed as a head seal seams are seen in a longitudinal direction spaced from each other.
  • the inner bag After filling the inner bag, the inner bag is thus closed by a top seam, which is formed in the closed training of the bag correspondingly spaced from the top seam of the outer bag to allow the inner bag not damaging opening of the outer bag.
  • a transverse sealing of the films to be used for the creation of the outer dimension of the bag is easy to realize transversely to the film longitudinal direction.
  • an upper and a lower film or a half-hose are supplied to a film forming the inner bag as a tubular film, so that the outer bag is assembled around the inner bag.
  • the upper and lower films or the half hose are then sealed together on one or two sides, in particular welded.
  • the head seams are spaced apart from one another.
  • the inner bag Due to the common transverse sealing seam of the inner and outer bags, a fixed positioning of the inner bag in the outer bag is first achieved, which is advantageous for transport and further handling. Nevertheless, the inner bag is detachably formed from the outer bag to be able to be continued separately in a lock system of a clean room area.
  • a weakening line is introduced between an inner bag seal delimiting an inner bag space and the common transverse seam seam which, however, only weakens the inner bag film. The formation of the weakening takes place in dependence on the force with which the inner bag is to be torn out.
  • the inner bag sealing seam and the weakening line are both arranged in a bottom-side region of the inner bag.
  • the weakening line can run directly through the transverse to the longitudinal direction réellelessnesssiegelnaht. By arranging in a stiffened film area, the separation process can be more defined. Alternatively, however, the weakening line may be arranged on the inner bag (transverse) side facing away from the inner bag space.
  • the transverse sealing seam then does not have to be made wider, so that less energy is required for the transverse sealing.
  • transverse sealing and weakening of the film material are easier to perform in one step than if the line of weakness were within the seam area.
  • the line of weakness is thus preferably formed in a seamless, but sewn by sealing seams limited part of the multiple bag. A tearing out of the inner bag thus normally does not initially damage the transverse sealing seam. The integrity of the inner bag space is effectively ensured.
  • one or more longitudinal sealing areas have in addition to the connections of upper and lower film areas also a stiffening and shaping of the Bag can serve.
  • the multiple bag may consist of an outer and not only one but also two inner bags, wherein the innermost inner bag is in particular made of a tubular film and then the layers to be transferred are each fed from two films or a half-tube.
  • the multiple bag according to the invention can already be separated and stacked with further multiple bags, but it can also be formed as a roll product, for which instead of a separation process alternatively a weakening in the two multi-bag separating zone are introduced.
  • inner bag is detachable via a line of weakness from the next outer bag, wherein all the bags are connected to each other via a common sealing seam.
  • inner bag the entire inner film area emanating from the common transverse sealing seam, including the area in which the weakening line is attached, is understood.
  • the formation of the inner bag by a tubular film saves a longitudinal seal and is thus procedurally economical.
  • the top seam of the inner bag is preferably arranged in a folded over the rest of the inner bag area, this area is created in particular by folding or rolling and thus on the one hand a distance to the top seal of the next outer bag is guaranteed and on the other hand, opening the bag the next Inner bag not damaged.
  • the multiple bag can be provided with a plurality of sealing areas. It is essential, however, that a separation of the inner bag does not lead to an opening thereof and insofar the weakening line of the inner bag is limited to the top end of the inner bag of a sealed seam, which then limits the interior of the inner bag. Under a weakening line can hereby or the like with material dilutions, perforations. Weakened area of the film of the inner bag to be understood.
  • the top end of the multiple bag is closed after filling in a number of steps corresponding to the number of bags.
  • the outer bag is then sealed without intervening film portions of the inner bag.
  • the head portion of the innermost inner bag is first closed, then folded, then the head portion of the next inner bag is sealed, then folded, and so on.
  • An inventive multiple bag according to Fig. 1 has an outer bag 1 and an inner bag 2 arranged therein.
  • the inner bag 2 is made of a tubular film, while the outer bag 1 is made in the present case of an upper and lower film, which are connected to each other via longitudinal seams 3 formed as longitudinal seams.
  • Inner bag and outer bag are connected via a common, arranged on the bottom side transverse seam 4, which extends into the longitudinal sealing seam areas for sealing purposes.
  • a lower end 6 of the inner bag is in this case slightly over, as is the case with a lower end 7 of the outer bag.
  • the bottom, common transverse seam is delimited at the head end by a line of weakness 8, which runs in a seamless, but sealed by sealing seams area of the multiple bag and only in unsealed Foil material of the inner bag 2 is arranged.
  • a line of weakness 8 which runs in a seamless, but sealed by sealing seams area of the multiple bag and only in unsealed Foil material of the inner bag 2 is arranged.
  • the weakening line 8 is delimited by an inner bag (transverse) sealing seam 9 in the direction of an area located at the top end of the inner bag in the figure, which on the side facing away from the weakening line 8 has an inner space 10 (cf. Fig. 2 ) of the inner bag.
  • Inner and outer bags are shown open in the present example before filling, with the multiple bag is already isolated.
  • the multiple bag can be made up and sold as tubular goods and thus on a roll.
  • the inner bag sorted, for example, from a PE.
  • This is also advantageous for a seal.
  • a monofilm of polyethylene it is also possible to use a layered film having a sealable polyethylene inner and outer layer.
  • a multiple bag made of only one basic material such as polyethylene also has the advantage that it is sorted to recycle and reuse.
  • the weakening line 8 passes through a two-ply film area.
  • the transverse seam 4 comprises both the outer bag 1 and the inner bag 2 and possibly further inner bags (not shown).
  • Fig. 4 shows the manufacturing method of the invention multiple bags on a roll.
  • a tubular film is unwound from a roll 12 with respect to a multi-bag transported by the manufacturing apparatus. Via a guide device 13, this is passed to a transverse sealing station 14 with associated perforating. There, the weakening line 8 and the transverse inner bag seam 9 of the inner bag are simultaneously applied. Subsequently, the then once again transversely sealed tube is continued.
  • a top film 15 or bottom film 16 located on further rollers 12 are then fed from above and below, for which purpose guide rollers 13 are again used.
  • the inner bag now assembled around the outer bag, together with the outer bag, reaches a transverse seam sealing station 18, which forms the common transverse seam 4.
  • the cross-seam-sealing station 18 may have a perforating device with which a weakening line is introduced into the film composite.
  • the now prepared multiple bag is rolled up on a roll 19. It may then be torn off the roll 19 along the transverse seam station weakening line introduced by the cross seal station 18.
  • the procedure goes according to Fig. 5 up to the transverse sealing station for inner and outer bags identically.
  • the now formed as a cross-seam sealing station 22 transverse sealing station is provided instead of a perforating with a separator through which the individual multiple bags can be separated from each other.
  • the multiple bags 20 can subsequently be arranged on a stack 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
EP14000602.4A 2013-02-22 2014-02-20 Sac à plusieurs compartiments Withdrawn EP2769928A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202013001694.9U DE202013001694U1 (de) 2013-02-22 2013-02-22 Mehrfachbeutel

Publications (1)

Publication Number Publication Date
EP2769928A1 true EP2769928A1 (fr) 2014-08-27

Family

ID=50190139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14000602.4A Withdrawn EP2769928A1 (fr) 2013-02-22 2014-02-20 Sac à plusieurs compartiments

Country Status (2)

Country Link
EP (1) EP2769928A1 (fr)
DE (1) DE202013001694U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117087947A (zh) * 2023-10-16 2023-11-21 湖南大道新材料有限公司 一种双子袋封口设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7535310U (de) * 1975-11-06 1976-03-04 Natronag Papierprod Gmbh Siegelverschluss-Sack
US3958749A (en) * 1974-04-12 1976-05-25 St. Regis Paper Company Gusseted pinch bottom breakaway pouch bag
DE2461828A1 (de) * 1974-12-30 1976-07-08 Windmoeller & Hoelscher Einseitig offener mehrlagensack
EP0190776A1 (fr) * 1985-01-14 1986-08-13 Koninklijke Emballage Industrie Van Leer B.V. Emballage rempli d'un produit toxique sous forme pulvérulente ou granulaire soluble dans l'eau

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958749A (en) * 1974-04-12 1976-05-25 St. Regis Paper Company Gusseted pinch bottom breakaway pouch bag
DE2461828A1 (de) * 1974-12-30 1976-07-08 Windmoeller & Hoelscher Einseitig offener mehrlagensack
DE7535310U (de) * 1975-11-06 1976-03-04 Natronag Papierprod Gmbh Siegelverschluss-Sack
EP0190776A1 (fr) * 1985-01-14 1986-08-13 Koninklijke Emballage Industrie Van Leer B.V. Emballage rempli d'un produit toxique sous forme pulvérulente ou granulaire soluble dans l'eau

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117087947A (zh) * 2023-10-16 2023-11-21 湖南大道新材料有限公司 一种双子袋封口设备
CN117087947B (zh) * 2023-10-16 2024-01-02 湖南大道新材料有限公司 一种双子袋封口设备

Also Published As

Publication number Publication date
DE202013001694U1 (de) 2014-05-23

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